make a field auto_increment mysql
ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
make a field auto_increment mysql
ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
mysql set id auto increment
ALTER TABLE users AUTO_INCREMENT=1001;
create a table with an id in mysql
CREATE TABLE DemoT (
Personid int NOT NULL AUTO_INCREMENT,
LastName varchar(111) NOT NULL,
FirstName varchar(111),
Age int,
PRIMARY KEY (Personid)
);
add auto_increment column to existing table mysql
ALTER TABLE `users` ADD `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY
ALTER TABLE `users` ADD `id` INT NOT NULL AUTO_INCREMENT UNIQUE FIRST
set id count mysql
ALTER TABLE name AUTO_INCREMENT=310;
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